package com.heima.article.service.impl;


import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.article.mapper.ApArticleConfigMapper;
import com.heima.article.mapper.ApArticleContentMapper;
import com.heima.article.mapper.ApArticleMapper;
import com.heima.article.service.ApArticleService;
import com.heima.article.service.ArticleFreemarkerService;
import com.heima.common.constants.ArticleConstants;
import com.heima.model.article.dtos.ArticleDto;
import com.heima.model.article.dtos.ArticleHomeDto;
import com.heima.model.article.pojos.ApArticle;
import com.heima.model.article.pojos.ApArticleConfig;
import com.heima.model.article.pojos.ApArticleContent;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;

/**
 * @Author: xsz
 * @DateTime: 2023/12/19 23:21
 **/

@Service
@Transactional
@Slf4j
public class ApArticleServiceImpl extends ServiceImpl<ApArticleMapper, ApArticle> implements ApArticleService {

    @Autowired
    private ApArticleMapper apArticleMapper;

    private final  static Short MAX_PAGE_SIZE = 50;

    /**
     * 根据参数加载文章列表
     * @param dto ArticleHomeDto
     * @param type 1为加载更多  2为加载最新
     * @return ResponseResult
     */
    @Override
    public ResponseResult<?> load(ArticleHomeDto dto, Short type) {
        //1.校验参数
        //分页条数校验
        Integer size = dto.getSize();
        if(size == null || size == 0){
            size = 10;
        }
        //分页不要超过最大值
        size = Math.min(size,MAX_PAGE_SIZE);
        dto.setSize(size);

        //type参数校验
        if(!type.equals(ArticleConstants.LOADTYPE_LOAD_MORE) && !type.equals(ArticleConstants.LOADTYPE_LOAD_NEW)){
            type = ArticleConstants.LOADTYPE_LOAD_MORE;
        }

        //频道参数tag校验
        if(StringUtils.isBlank(dto.getTag())){
            dto.setTag(ArticleConstants.DEFAULT_TAG);
        }

        //时间校验
        if(dto.getMaxBehotTime() == null){
            dto.setMaxBehotTime(new Date());
        }
        if(dto.getMinBehotTime() == null){
            dto.setMinBehotTime(new Date());
        }


        List<ApArticle> apArticles = apArticleMapper.loadArticleList(dto, type);
        return ResponseResult.okResult(apArticles);
    }

    @Autowired
    private ApArticleConfigMapper apArticleConfigMapper;

    @Autowired
    private ApArticleContentMapper apArticleContentMapper;

    @Autowired
    private ArticleFreemarkerService articleFreemarkerService;

    /**
     * 保存app相关文章
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult saveArticle(ArticleDto dto) {

        //try {
        //    Thread.sleep(3000);
        //
        //}catch (InterruptedException e){
        //    e.printStackTrace();
        //}

        //检查参数
        if(dto == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }

        ApArticle apArticle = new ApArticle();
        BeanUtils.copyProperties(dto,apArticle);

        //判断是否存在id，如果不存在id，则保存文章，文章配置，文章内容；如果存在id则修改文章和文章内容，配置不用修改

        //不存在
        if(dto.getId() == null){
            //保存文章
            save(apArticle);

            //保存配置
            ApArticleConfig  apArticleConfig = new ApArticleConfig(apArticle.getId());
            apArticleConfigMapper.insert(apArticleConfig);

            //保存内容
            ApArticleContent apArticleContent = new ApArticleContent();
            apArticleContent.setArticleId(apArticle.getId());
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.insert(apArticleContent);

        }else {
            //存在
            //修改文章
            updateById(apArticle);

            //修改文章内容
            ApArticleContent apArticleContent = apArticleContentMapper.selectOne(Wrappers.<ApArticleContent>lambdaQuery().eq(ApArticleContent::getArticleId, dto.getId()));
            apArticleContent.setContent(dto.getContent());
            apArticleContentMapper.updateById(apArticleContent);

        }


        //异步调用，生成静态文件上传到MinIO中
        articleFreemarkerService.buildArticleToMinIO(apArticle,dto.getContent());

        return ResponseResult.okResult(apArticle.getId());

    }
}
